Adding chlorine at a dosage of 0.2 mg/L as Cl2 to. drinking water will increase the corrosion of copper and iron in the system but may not adversely. affect lead. In general, elevating the pH of the water to between 7.0 and 7.8 is beneficial in. counteracting the corrosive effect of chlorinated water.
A macrosystem is a large system within which microsystems are contained. An example of a part of a law firm's macrosystem is the U.S. court system. macrosystem is a large system within which microsystems are contained. An example of a part of a law firm's macrosystem is the U.S. court system.
Macro is feature in MS Excel software which records all the steps and all the steps can be repeated whenever a same task is required to be performed. It helps in reducti â¦ on of time in performing monotonous task.   Macro is available in Tools menu.